Home / 13,554.40-20,333.56-4,195.20

Finding the Fourth Proportional to 13,554.40, 20,333.56 and 4,195.20

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Solution

The fourth proportional to 13,554.40, 20,333.56 and 4,195.20 is: 6,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.40 : 20,333.56 = 4,195.20 : x
  2. Step 2: Convert to fraction form
    13,554.40/20,333.56 = 4,195.20/x
  3. Step 3: Cross multiply
    13,554.40x = 20,333.56 × 4,195.20
  4. Step 4: Simplify right side
    13,554.40x = 85,303,350.91
  5. Step 5: Solve for x
    x = 85,303,350.91/13,554.40
  6. Step 6: Final answer
    x = 6,293.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.